In the tutorial, fix several of the chapter 3 pages
so that missing colons are added (otherwise the tutorial
doesn't work properly because mmj2 now interprets them differently).
Also, rename "Q" to "QZ" because "Q" conflicts with an existing symbol
(otherwise Page412 won't work).
In the tutorial, fix several of the chapter 3 pages so that missing colons are added (otherwise the tutorial doesn't work properly because mmj2 now interprets them differently).
Also, rename "Q" to "QZ" because "Q" conflicts with an existing symbol (otherwise Page412 won't work).
Signed-off-by: David A. Wheeler dwheeler@dwheeler.com